Bump jekyll from 3.8.6 to 4.2.0

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Bumps jekyll from 3.8.6 to 4.2.0.

Release notes

Sourced from jekyll's releases.

v4.2.0

Minor Enhancements

• Warn on command-line with permalink conflict (#8342)
• Supress warning issued for redirect pages (#8347)
• Enhance detection of conflicting destination URLs (#8459)
• Add :post_convert hook to modify HTML content before layout (#8368)
• Allow triggering :post_convert events atomically (#8465)
• Debug reading Page and Layout objects (#8100)
• Do not reset site.url to http://localhost:4000 by default (#7253)
• Add custom debug strings for Jekyll objects (#8473)
• Debug reading data files in a site (#8481)

Bug Fixes

• Replace nested conditional with guard clauses (#8294)
• Fix: security bump (#8349)
• Fix path matching regex in post_url Liquid tag (#8375)
• Enable Performance/ChainArrayAllocation cop (#8404)
• Enable Lint/NoReturnInBeginEndBlocks Cop (#8457)
• Generate items from site.include list only once (#8463)
• Explicitly return nil after site process phase (#8472)

Optimization Fixes

• Implement custom delegators for drop methods (#8183)
• Handle nil argument to Jekyll.sanitized_path (#8415)
• Cache Jekyll.sanitized_path (#8424)
• Memoize array of drop getter method names (#8421)
• Reduce string allocations from the link tag (#8387)
• Optimize parsing of parameters in include tag (#8192)
• Stash documents write? attribute in a variable (#8389)
• Reduce string allocations from generating doc URLs (#8392)
• Check if site is in incremental mode optimally (#8401)
• Utilize flexibility of Site#in_dest_dir (#8403)
• Reduce allocations from rendering item as liquid (#8406)
• Compute relative_path of pages using PathManager (#8408)
• Reduce allocation from normalize_whitespace filter (#8400)
• Use Regexp#match? when MatchData is not required (#8427)
• Check default front matter scope against symbols (#8393)
• Stash frequently used Drop setter keys for reuse (#8394)
• Memoize defaults computed for Convertibles (#8451)
• Reduce array allocations from merging categories (#8453)
• Memoize destination of pages, documents and staticfiles (#8458)
• Reduce allocations from computing item property (#8485)
• Optimize Page#dir with a private method (#8489)
• Stash attribute hash for Liquid computed for pages (#8497)

Development Fixes

Changelog

Sourced from jekyll's changelog.

4.2.0 / 2020-12-14

Minor Enhancements

• Warn on command-line with permalink conflict (#8342)
• Supress warning issued for redirect pages (#8347)
• Enhance detection of conflicting destination URLs (#8459)
• Add :post_convert hook to modify HTML content before layout (#8368)
• Allow triggering :post_convert events atomically (#8465)
• Debug reading Page and Layout objects (#8100)
• Do not reset site.url to http://localhost:4000 by default (#7253)
• Add custom debug strings for Jekyll objects (#8473)
• Debug reading data files in a site (#8481)

Bug Fixes

• Replace nested conditional with guard clauses (#8294)
• Fix: security bump (#8349)
• Fix path matching regex in post_url Liquid tag (#8375)
• Enable Performance/ChainArrayAllocation cop (#8404)
• Enable Lint/NoReturnInBeginEndBlocks Cop (#8457)
• Generate items from site.include list only once (#8463)
• Explicitly return nil after site process phase (#8472)

Optimization Fixes

• Implement custom delegators for drop methods (#8183)
• Handle nil argument to Jekyll.sanitized_path (#8415)
• Cache Jekyll.sanitized_path (#8424)
• Memoize array of drop getter method names (#8421)
• Reduce string allocations from the link tag (#8387)
• Optimize parsing of parameters in include tag (#8192)
• Stash documents write? attribute in a variable (#8389)
• Reduce string allocations from generating doc URLs (#8392)
• Check if site is in incremental mode optimally (#8401)
• Utilize flexibility of Site#in_dest_dir (#8403)
• Reduce allocations from rendering item as liquid (#8406)
• Compute relative_path of pages using PathManager (#8408)
• Reduce allocation from normalize_whitespace filter (#8400)
• Use Regexp#match? when MatchData is not required (#8427)
• Check default front matter scope against symbols (#8393)
• Stash frequently used Drop setter keys for reuse (#8394)
• Memoize defaults computed for Convertibles (#8451)
• Reduce array allocations from merging categories (#8453)
• Memoize destination of pages, documents and staticfiles (#8458)
• Reduce allocations from computing item property (#8485)
• Optimize Page#dir with a private method (#8489)
• Stash attribute hash for Liquid computed for pages (#8497)

Development Fixes

Commits

• 871a05a Release 💎 4.2.0
• 98d0686 Release: Jekyll 4.2.0 (#8466)
• 1e2d72a Remove redundant quotes around YAML value
• 0d7665c docs: new homebrew script [skip ci]
• 3ca9d6e Format History entries for changes on HEAD
• c571b3b Update history to reflect merge of #8497 [ci skip]
• 01825f5 Stash attribute hash for Liquid computed for pages (#8497)
• c70437e Correct offenses reported by RuboCop 1.6.0
• 84deb28 Improve maintainability of showcase data and page
• d268e35 Update history to reflect merge of #8504 [ci skip]
• Additional commits viewable in compare view

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